Scholars and experts argue that future pandemics and/or epidemics are inevitable events,
and the problem is not whether they will occur, but when a new health emergency will …

This study suggests a metrics that evaluates the preparedness of nations to cope with
pandemic crisis, such as COVID-19. Results suggest, between European countries, that …

This paper examines the relationship among ecological footprint (EF), electricity
consumption, and GDP in China using annual data ranging from 1960 to 2019. However …

Some countries in the presence of unforeseen Coronavirus Disease 2019 (COVID-19)
pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), have …

The evolvement of COVID-19 vaccines is rapidly being revolutionized using artificial
intelligence-based technologies. Small compounds, peptides, and epitopes are collected to …

The goal of this study is to analyze how levels of air pollution changed between countries
with their restriction policy of lockdown to cope with the COVID-19 pandemic. The study …

Background: The COVID-19 pandemic, caused by SARS-CoV-2, has had a profound impact
worldwide, leading to widespread morbidity and mortality. Vaccination against COVID-19 is …

Objective The current study aimed to identify the association between COVID-19 vaccination
and prolonged post-COVID symptoms (long-COVID) in adults who reported suffering from …

Background Vaccination plays an important role in preventing COVID-19 infection and
reducing the severity of the disease. There are usually differences in vaccination rates …

In this paper we study different vaccination strategies that could have been implemented for
the early COVID-19 pandemic. We use a demographic epidemiological mathematical model …